You're here: My Science Blogging » Discovery » Article: New Chemical Weapon In Poison Frogs’ Arsenal Found
Yessi Pratiwi — June 10, 2009 / 6:26 pm
In the news reported by ScienceDaily, June 9th, it was mentioned that there has been found a surprising chemical weapon used by some Amazonian poison frogs.
The poisen itself identified as never been known before, called as the N-methyldecahydroquinolines. As I read on some sources, it is reported that N-methyldecahydroquinolines known to beat the Class of Alkaloids. The dominant alkaloids previously identified in skin extracts of Amazonian dendrobatid frogs of the genus Ameerega are histrionicotoxins and 2,5-disubstituted decahydroquinolines. Analysis of alkaloids in skin extracts of Ameerega picta from Bolivia revealed that the alkaloid 257A, previously reported as a 2,5-disubstituted decahydroquinoline, is an N-methyl-2,5-disubstituted decahydroquinoline. A dietary source for N-methyldecahydroquinolines is unknown; however, myrmicine ants are the likely source for the 2,5-disubstituted decahydroquinolines.
H. Martin Garraffo and colleagues note there are more than 500 alkaloids, potentially toxic substances, known to exist in the skin of poison frogs.
Source : ScienceDaily, Credit : pubs.acs
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